Home / 41,140.55-61,710.83-9,975.80

Finding the Fourth Proportional to 41,140.55, 61,710.83 and 9,975.80

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Solution

The fourth proportional to 41,140.55, 61,710.83 and 9,975.80 is: 14,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,140.55 : 61,710.83 = 9,975.80 : x
  2. Step 2: Convert to fraction form
    41,140.55/61,710.83 = 9,975.80/x
  3. Step 3: Cross multiply
    41,140.55x = 61,710.83 × 9,975.80
  4. Step 4: Simplify right side
    41,140.55x = 615,615,039.72
  5. Step 5: Solve for x
    x = 615,615,039.72/41,140.55
  6. Step 6: Final answer
    x = 14,963.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.